From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ming Lei Date: Mon, 27 Jul 2020 23:14:16 +0800 Subject: [LTP] [blk] 6e6fcbc27e: ltp.fs_fill.fail In-Reply-To: <20200727093156.GA29739@dell5510> References: <20200726075511.GI1850@shao2-debian> <20200727093156.GA29739@dell5510> Message-ID: <20200727151416.GA1298062@T590> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ltp@lists.linux.it On Mon, Jul 27, 2020 at 11:31:56AM +0200, Petr Vorel wrote: > Hi, > > > FYI, we noticed the following commit (built with gcc-9): > > > commit: 6e6fcbc27e7788af54139c53537395d95560f2ef ("blk-mq: support batching dispatch in case of io") > > https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git for-5.9/drivers > > > > in testcase: ltp > > with following parameters: > > > disk: 1HDD > > fs: ext4 > > test: fs-03 > > > test-description: The LTP testsuite contains a collection of tools for testing the Linux kernel and related features. > > test-url: http://linux-test-project.github.io/ > > > > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G > > > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): > > ... > > tst_test.c:1308: INFO: Testing on vfat > > tst_mkfs.c:90: INFO: Formatting /dev/loop0 with vfat opts='' extra opts='' > > tst_test.c:1247: INFO: Timeout per run is 0h 05m 00s > > fs_fill.c:103: INFO: Running 10 writer threads > > Test timeouted, sending SIGKILL! > > Test timeouted, sending SIGKILL! > > Test timeouted, sending SIGKILL! > > Test timeouted, sending SIGKILL! > > Test timeouted, sending SIGKILL! > > Test timeouted, sending SIGKILL! > The only "error" I found is that fs_fill test timeouted on vfat. That might > indicate some problems. Note, for slow machines, there is LTP_TIMEOUT_MUL > https://github.com/linux-test-project/ltp/wiki/User-Guidelines#1-library-environment-variables I have run fs_fill test for a while, and can't reproduce it, and I am sure vfat is covered. Thanks, Ming